I’m just back from using the Scanning Electron Microscope at the excellent Arnold Arboretum where I was imaging wood samples to look for callose deposition after drought. Here’s a sample, but lots more coming!

Sieve elements identified by the LM26 antibody in the leaf of a lupine (Lupinus spp) 🔬🌳🌱

Cactus 🌵🌸 in the greenhouse at Minnesota Duluth.